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Architecture for service delivery in a network environment including ims

Architecture for service delivery in a network environment including ims description/claims

This application discloses subject matter that is related to the subject matter of the following U.S. patent application(s): (i) “SERVICE GATEWAY DECOMPOSITION IN A NETWORK ENVIRONMENT INCLUDING IMS” (Attorney Docket No. 1400-1066US1; Client Reference No. 32230-US-PAT), application Ser. No. ______, filed even date herewith, in the name(s) of Giyeong Son, Allan D. Lewis and Bruno Preiss; (ii) “SIGNALING ARCHITECTURE FOR DECOMPOSED SERVICE NETWORK ELEMENTS OPERABLE WITH IMS” (Attorney Docket No. 1400-1066US2; Client Reference No. 32321-US-PAT), application Ser. No. ______, filed even date herewith, in the name(s) of Giyeong Son, Allan D. Lewis and Bruno Preiss; (iii) “SCALABLE AND SECURE MESSAGING SYSTEM FOR A WIRELESS NETWORK,” now published as U.S. Patent Application Publication No. 2002/0132609, in the names of: Allan D. Lewis, Tabitha K. Ferguson, James A. Godfrey, Carl L. Cherry and Bill Yuan; and (iv) “SYSTEM AND METHOD FOR PUSHING INFORMATION FROM A HOST SYSTEM TO A MOBILE DATA COMMUNICATION DEVICE,” now published as U.S. Patent Application Publication No. 2004/0073619, in the names of: Barry J. Gilhuly, Anh Ngoc Van, Steven M. Rahn, Gary P. Mousseau and Mihal Lazaridis. Each of the foregoing patent applications is incorporated by reference herein.

The present patent disclosure generally relates to communications networks. More particularly, and not by way of any limitation, the present patent disclosure is directed to an architecture for service delivery in a network environment including an IP Multimedia Subsystem (IMS) network.

Delivery of email messages to mobile handheld devices is well known. However, current techniques for achieving such delivery are generally not concerned with the latest 3rd Generation Partnership Project (3GPP) standards that specify a new, all IP-based network architecture referred to as the IP Multimedia Subsystem (IMS).

Although IMS provides a well-defined architecture with respect to session control and the underlying network infrastructure, it is silent regarding the service architecture inasmuch as service providers are responsible for architecting their services over the IMS network. One of the issues is ensuring reliability and scalability of the service architecture with respect to the services to be delivered over the IMS network.

A more complete understanding of the embodiments of the present patent disclosure may be had by reference to the following Detailed Description when taken in conjunction with the accompanying drawings wherein:

FIG. 1 depicts a network communications environment including an enterprise network and IP Multimedia Subsystem (IMS) infrastructure wherein one or more embodiments of the present patent disclosure may be practiced;

FIG. 2 depicts a flowchart associated with one or more exemplary embodiments of the present patent disclosure for facilitating delivery of data items over IMS;

FIG. 3A depicts another view of a network communications environment where an IMS network and access networks are exemplified;

FIG. 3B depicts an architectural view of an IMS network operable for purposes of the present patent disclosure;

FIG. 4 depicts a network architectural embodiment for facilitating delivery of data items to a mobile communications device;

FIG. 5 depicts a flowchart associated with one or more exemplary embodiments of the present patent disclosure for effectuating delivery of data items over IMS;

FIG. 6 depicts a flowchart associated with one or more exemplary embodiments of the present patent disclosure for effectuating delivery of a data item from an IMS-aware mobile communications device;

FIG. 7 depicts a flowchart relating to a service gateway decomposition scheme according to one embodiment;

FIG. 8 depicts a network architectural embodiment for facilitating delivery of data items over IMS wherein service gateway functionality is decomposed in accordance with the teachings of the present patent disclosure;

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